For a better color scheme, replace lines 52743 - 52751:
    
  <style type="text/css">
  table.main{max-width:900px; width:98%}
  *.query{color:red}
  *.debug{color:blue}
  *.red{color:red}
  *,input{color:black}
  td,input{background-color:#d0e0ff}
  input.advcom{width:60%;border: 1px inset #666666}
  </style>

with

  <style type="text/css">
  table.main{max-width:700px; width:98%}
  *.query{color:white; background: #888;}
  *.debug{color:blue}
  *.red{color:red}
  *,input{color:yellow; font-family:"Lucida Console", Monaco, monospace;}
  td,input{background-color:#008}
  input.advcom{width:60%;border: 0px inset #666666; background: black;}
  </style>

and lines 52785 - 52790

  <span id="comform"><span class="query">?&nbsp;</span>
  <input class="advcom" onkeydown="javascript:keyDown(event)" 
  id="advcom" maxlength="160" type="text">
  &nbsp;&nbsp;<button onclick="javascript:doit('')">Submit</button>
  &nbsp<button onclick="javascript:hist(1)">&#8593;</button>
  &nbsp<button onclick="javascript:hist(-1)">&#8595;</button>

with

  <span id="comform"><span style="background: #008; color: white; font-weight: bold;" class="query">COMMAND></span>
  <input class="advcom" onkeydown="javascript:keyDown(event)" 
  id="advcom" maxlength="160" type="text">
  <button style="background: gray; color: white; font-weight: bold;" onclick="javascript:doit('')">Submit</button>
  <button style="background: gray; color: white; font-weight: bold;" onclick="javascript:hist(1)">&#8593;</button>
  <button style="background: gray; color: white; font-weight: bold;" onclick="javascript:hist(-1)">&#8595;</button>